Spark login , connect closed before session established

when i start wildfire with asterisk-IM, and run asterisk , spark login in , and wildfire debug is :

2006.08.17 12:28:05 Loading plugin admin

2006.08.17 12:28:07 Loading plugin asterisk-im

2006.08.17 12:28:07 Loading plugin search

2006.08.17 12:28:25 Connect Socket[addr=/192.168.0.81,port=32805,localport=5222]

2006.08.17 12:28:26 Logging off dev81.xiancaro.com/627c39ee on org.jivesoftware.wildfire.net.SocketConnection@176086d socket: Socket[addr=/192.168.0.81,port=32805,localport=5222] session: org.jivesoftware.wildfire.ClientSession@ec436 status: 1 address: dev81.xiancaro.com/627c39ee id: 627c39ee presence:

2006.08.17 13:05:16 Unloading plugin asterisk-im

2006.08.17 13:05:20 Unloading plugin search

2006.08.17 13:05:25 Loading plugin asterisk-im

2006.08.17 13:05:25 Loading plugin search

2006.08.17 13:06:55 Stopping server

2006.08.17 13:07:00 Loading plugin admin

2006.08.17 13:07:02 Loading plugin asterisk-im

2006.08.17 13:07:02 Loading plugin search

and error.log is :

2006.08.17 12:34:43 org.jivesoftware.wildfire.net.BlockingReadingMode.run(BlockingReadingMode.java:1 04) Connection closed before session established

Socket[addr=/192.168.0.81,port=59116,localport=5269]

2006.08.17 12:34:43 org.jivesoftware.wildfire.net.BlockingReadingMode.run(BlockingReadingMode.java:1 04) Connection closed before session established

Socket[addr=/192.168.0.81,port=59117,localport=5269]

if you can offer you think ,i will thank you at first.